822961 has 8 divisors (see below), whose sum is σ = 851904. Its totient is φ = 794640.

The previous prime is 822949. The next prime is 822971. The reversal of 822961 is 169228.

It is a happy number.

822961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-822961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (822901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4671 + ... + 4843.

It is an arithmetic number, because the mean of its divisors is an integer number (106488).

2⁸²²⁹⁶¹ is an apocalyptic number.

It is an amenable number.

822961 is a deficient number, since it is larger than the sum of its proper divisors (28943).

822961 is a wasteful number, since it uses less digits than its factorization.

822961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311.

The product of its digits is 1728, while the sum is 28.

The square root of 822961 is about 907.1719792851. The cubic root of 822961 is about 93.7115421520.

The spelling of 822961 in words is "eight hundred twenty-two thousand, nine hundred sixty-one".